1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.ui;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.MethodInvoker;
28  import com.liferay.portal.kernel.util.MethodWrapper;
29  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
30  
31  import javax.servlet.http.HttpServletRequest;
32  import javax.servlet.jsp.JspTagException;
33  import javax.servlet.jsp.PageContext;
34  import javax.servlet.jsp.tagext.TagSupport;
35  
36  /**
37   * <a href="ToggleValueTag.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   */
41  public class ToggleValueTag extends TagSupport {
42  
43      public static void doTag(
44              String id, PageContext pageContext, HttpServletRequest request)
45          throws Exception {
46  
47          Thread currentThread = Thread.currentThread();
48  
49          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
50  
51          try {
52              currentThread.setContextClassLoader(
53                  PortalClassLoaderUtil.getClassLoader());
54  
55              MethodWrapper methodWrapper = new MethodWrapper(
56                  _TAG_CLASS, _TAG_DO_END_METHOD,
57                  new Object[] {id, pageContext, request});
58  
59              MethodInvoker.invoke(methodWrapper);
60          }
61          catch (Exception e) {
62              _log.error(e, e);
63  
64              throw e;
65          }
66          finally {
67              currentThread.setContextClassLoader(contextClassLoader);
68          }
69      }
70  
71      public int doEndTag() throws JspTagException {
72          try {
73              HttpServletRequest request =
74                  (HttpServletRequest)pageContext.getRequest();
75  
76              doTag(_id, pageContext, request);
77  
78              return EVAL_PAGE;
79          }
80          catch (Exception e) {
81              throw new JspTagException(e.getMessage());
82          }
83      }
84  
85      public void setId(String id) {
86          _id = id;
87      }
88  
89      private static final String _TAG_CLASS =
90          "com.liferay.portal.servlet.taglib.ui.ToggleValueTagUtil";
91  
92      private static final String _TAG_DO_END_METHOD = "doEndTag";
93  
94      private static Log _log = LogFactoryUtil.getLog(ToggleValueTag.class);
95  
96      private String _id;
97  
98  }